338734448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{30727}}^1$

素因数の和:30801

約数の個数: 40

約数和(自身を含む): 720141408

約数和(自身を除く): 381406960

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 30727, 61454, 122908, 245816, 399451, 491632, 798902, 1597804, 1628531, 3195608, 3257062, 6391216, 6514124, 13028248, 21170903, 26056496, 42341806, 84683612, 169367224, 338734448]

約数ペア:

[(1, 338734448), (2, 169367224), (4, 84683612), (8, 42341806), (13, 26056496), (16, 21170903), (26, 13028248), (52, 6514124), (53, 6391216), (104, 3257062), (106, 3195608), (208, 1628531), (212, 1597804), (424, 798902), (689, 491632), (848, 399451), (1378, 245816), (2756, 122908), (5512, 61454), (11024, 30727)]